Merge pull request #675 from jglick/isComplete

Avoid logging a warning from `isComplete`

Author: jglick

plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecution.java

@@ -1271,7 +1271,13 @@ public static void maybeAutoPersistNode(@NonNull FlowNode node) {
 
     @Override
     public boolean isComplete() {
-        return done || super.isComplete();
+        if (done) {
+            return true;
+        } else {
+            synchronized (this) {
+                return heads != null && super.isComplete();
+            }
+        }
     }
 
     /**